pals_20160211_howpla.. - Department of Physics and Astronomy
... “Drag” from proto-planetary nebula gas? Gravitational interactions with each other? We think that Uranus & Neptune formed closer to Sun, were flung to their present orbits by interactions with Jupiter, maybe Saturn ...
... “Drag” from proto-planetary nebula gas? Gravitational interactions with each other? We think that Uranus & Neptune formed closer to Sun, were flung to their present orbits by interactions with Jupiter, maybe Saturn ...
The Moons of Other Planets
... The Moons of Other Planets •The moons of other planets range in size from very small to as large as terrestrial planets. •Venus and Mercury have no moons. •All of the outer planets have multiple moons. •Some moons orbit their planets backwards! •Moons may be some of the most bizarre and interesting ...
... The Moons of Other Planets •The moons of other planets range in size from very small to as large as terrestrial planets. •Venus and Mercury have no moons. •All of the outer planets have multiple moons. •Some moons orbit their planets backwards! •Moons may be some of the most bizarre and interesting ...
1 Dr. Steve Hawley Volume 35 Number 04 APRIL 2009
... opened a new solar system exhibit in 2000 that intentionally omitted Pluto as one of the planets. Tuesday evening's conversation revealed how uncertainty can breed politics in science — but also how scientists deal with an evolving understanding of the universe. Many people involved in the Pluto deb ...
... opened a new solar system exhibit in 2000 that intentionally omitted Pluto as one of the planets. Tuesday evening's conversation revealed how uncertainty can breed politics in science — but also how scientists deal with an evolving understanding of the universe. Many people involved in the Pluto deb ...
Solar System Contents
... • Smaller than Jupiter/Saturn; much larger than Earth • Made of H/He gas and hydrogen compounds (H2O, NH3, CH4) • Extreme axis tilt • Moons and rings ...
... • Smaller than Jupiter/Saturn; much larger than Earth • Made of H/He gas and hydrogen compounds (H2O, NH3, CH4) • Extreme axis tilt • Moons and rings ...
Our Solar System
... Current, Future, and Past Solar System Missions Planetary exploration missions are conducted by some of the most sophisticated robots ever built. Through them we extend our senses to the farthest reaches of the solar system and into remote and hostile environments, where the secrets of our origins ...
... Current, Future, and Past Solar System Missions Planetary exploration missions are conducted by some of the most sophisticated robots ever built. Through them we extend our senses to the farthest reaches of the solar system and into remote and hostile environments, where the secrets of our origins ...
Planetary system
... been the most successful with a few exoplanets being detected every week this way. Mostly find large Jupiter like planets. The orbits of large planets cause a star to wobble, causing a Doppler effect shifting from red to blue wavelengths. ...
... been the most successful with a few exoplanets being detected every week this way. Mostly find large Jupiter like planets. The orbits of large planets cause a star to wobble, causing a Doppler effect shifting from red to blue wavelengths. ...
Solar System
... • Most planets spin (rotate) in the same direction, clounterclockwise as viewed from above the north pole. • Venus and Uranus are exceptions • Axial tilts range from 0º to 98º. ...
... • Most planets spin (rotate) in the same direction, clounterclockwise as viewed from above the north pole. • Venus and Uranus are exceptions • Axial tilts range from 0º to 98º. ...
2012年雅思阅读考试考前冲刺试题(1)
... 4.Developed by the French space agency,CNES,and partnered by the European Space Agency (ESA), Austria,Belgium,Germany,Brazil and Spain,Corot will monitor around 120,000 stars with its 27cm telescope from a polar orbit 514 miles above the Earth.Over two and a half years,it will focus on five to six d ...
... 4.Developed by the French space agency,CNES,and partnered by the European Space Agency (ESA), Austria,Belgium,Germany,Brazil and Spain,Corot will monitor around 120,000 stars with its 27cm telescope from a polar orbit 514 miles above the Earth.Over two and a half years,it will focus on five to six d ...
Solar System
... • Most planets spin (rotate) in the same direction, clounterclockwise as viewed from above the north pole. • Venus and Uranus are exceptions • Axial tilts range from 0º to 98º. ...
... • Most planets spin (rotate) in the same direction, clounterclockwise as viewed from above the north pole. • Venus and Uranus are exceptions • Axial tilts range from 0º to 98º. ...
Observational Constraints The Nebular Hypothesis
... 1. Small dust grains grow into larger—but still relatively small—asteroid-like bodies called planetesimals. 2. Planetesimals repeated crash into each other, resulting in increasingly large planetesimals. Some of these objects grow large enough to be called protoplanets. 3. As the protoplanets grow t ...
... 1. Small dust grains grow into larger—but still relatively small—asteroid-like bodies called planetesimals. 2. Planetesimals repeated crash into each other, resulting in increasingly large planetesimals. Some of these objects grow large enough to be called protoplanets. 3. As the protoplanets grow t ...
File - Science Partnership
... of asteroids and comet nuclei have been discovered in the same region (Kuiper belt). Some of these are quite large and approach the size of Pluto. 2. Pluto is very small compared to the other planets. In fact, Pluto is about half the size of our own moon; seven other moons are larger than Pluto. Eli ...
... of asteroids and comet nuclei have been discovered in the same region (Kuiper belt). Some of these are quite large and approach the size of Pluto. 2. Pluto is very small compared to the other planets. In fact, Pluto is about half the size of our own moon; seven other moons are larger than Pluto. Eli ...
Chapter 8
... Pluto was not unique. These objects, along with Pluto and others, seem to be the largest of the Kuiper Belt objects, also known as transNeptunian objects or plutoids. Several hundred have been found. It is estimated that several thousands may form the Kuiper belt Other Kuiper belt objects not shown ...
... Pluto was not unique. These objects, along with Pluto and others, seem to be the largest of the Kuiper Belt objects, also known as transNeptunian objects or plutoids. Several hundred have been found. It is estimated that several thousands may form the Kuiper belt Other Kuiper belt objects not shown ...
A Look at Our Solar System
... is the closest planet to the sun? Which planet is the third closest to the sun? Which planet is furthest away from the sun? • Have the students discuss the similarities and differences between the planets. ...
... is the closest planet to the sun? Which planet is the third closest to the sun? Which planet is furthest away from the sun? • Have the students discuss the similarities and differences between the planets. ...
GEOGRAPHY 2017 english
... In order of their distances from the Sun, the eight planets are: Mercury; Venus; Earth; Mars; Jupiter; Saturn; Uranus; and Neptune; and Pluto (now dwarf planet). As of inid-2010, five smaller objects are classified as dwarf planets. Ceres is in the asteroid belt, and four orbit the Sun beyond Neptu ...
... In order of their distances from the Sun, the eight planets are: Mercury; Venus; Earth; Mars; Jupiter; Saturn; Uranus; and Neptune; and Pluto (now dwarf planet). As of inid-2010, five smaller objects are classified as dwarf planets. Ceres is in the asteroid belt, and four orbit the Sun beyond Neptu ...
The Planets
... In the first 100 million years or so, the material closest to the young Sun developed into planets – Mercury, Venus, Earth and Mars. These are called the inner planets or terrestrial (Earth-like) planets They have relatively small, solid cores and rocky crusts ...
... In the first 100 million years or so, the material closest to the young Sun developed into planets – Mercury, Venus, Earth and Mars. These are called the inner planets or terrestrial (Earth-like) planets They have relatively small, solid cores and rocky crusts ...
Basics of Atmospheres and their Formation
... • Inner planets – formed by rocky material inside “frost line” • Outer planets – formed by hydrogen compound ices as “seeds”, and since H is most of the proto-solar system’s material, these planets are large • Beyond, is Kuiper Belt of 10’s of thousands of ice worlds a few hundred miles across or le ...
... • Inner planets – formed by rocky material inside “frost line” • Outer planets – formed by hydrogen compound ices as “seeds”, and since H is most of the proto-solar system’s material, these planets are large • Beyond, is Kuiper Belt of 10’s of thousands of ice worlds a few hundred miles across or le ...
Astro 10: Introductory Astronomy
... Details still active area of research • Inner planets – formed by rocky material inside “frost line” • Outer planets – formed by hydrogen compound ices as “seeds”, and since H is most of the proto-solar system, these planets are large • Beyond, is Kuiper Belt of 10’s of thousands of giant ice cores ...
... Details still active area of research • Inner planets – formed by rocky material inside “frost line” • Outer planets – formed by hydrogen compound ices as “seeds”, and since H is most of the proto-solar system, these planets are large • Beyond, is Kuiper Belt of 10’s of thousands of giant ice cores ...
powerpoint
... • All the planets orbit the Sun in the same directions. • All the orbits lie (almost) in the same plane. • All the planets rotate (spin) about an axis. – Most rotate in the same direction as they orbit. – Venus rotates backwards – Pluto and Uranus spin “on their sides” ...
... • All the planets orbit the Sun in the same directions. • All the orbits lie (almost) in the same plane. • All the planets rotate (spin) about an axis. – Most rotate in the same direction as they orbit. – Venus rotates backwards – Pluto and Uranus spin “on their sides” ...
Ch08_lecture_updated
... around the Sun (as seen from high above the Earth’s north pole) • Six planets rotate counterclockwise; Venus rotates clockwise (retrograde rotation), and Uranus appears to rotate on its side ...
... around the Sun (as seen from high above the Earth’s north pole) • Six planets rotate counterclockwise; Venus rotates clockwise (retrograde rotation), and Uranus appears to rotate on its side ...
File
... Planets (Inner Planets), are located close to the Sun, and are closely spaced. Jupiter, Saturn, Uranus, and Neptune, the Jovian Planets (Outer Planets), are located far from the Sun, and are spaced far ...
... Planets (Inner Planets), are located close to the Sun, and are closely spaced. Jupiter, Saturn, Uranus, and Neptune, the Jovian Planets (Outer Planets), are located far from the Sun, and are spaced far ...
Planets - Digitalis Education
... A) Inform students that you'll be learning about the planets today, and that the planetarium is a tool for doing so. You'll discuss some topics outside the dome, then go inside to learn more. Inside students will observe tonight's sky, point out what they think are planets in the night sky, test the ...
... A) Inform students that you'll be learning about the planets today, and that the planetarium is a tool for doing so. You'll discuss some topics outside the dome, then go inside to learn more. Inside students will observe tonight's sky, point out what they think are planets in the night sky, test the ...
Planets - AState.edu
... Included: As students come into the classroom. I will have a model of the solar system on a table where all students can see the model. “Can anyone tell me what is sitting on the table? That’s right it is the solar system. What is our solar system mainly made of? Planets, the asteroid belt, stars, s ...
... Included: As students come into the classroom. I will have a model of the solar system on a table where all students can see the model. “Can anyone tell me what is sitting on the table? That’s right it is the solar system. What is our solar system mainly made of? Planets, the asteroid belt, stars, s ...
27.1 Review - geraldinescience
... fluctuation of about 600 degrees Celsius are the planet's slow rotation and... A its close proximity to the sun B its dense atmosphere C its heavy, rocky, waterless terrain D ...
... fluctuation of about 600 degrees Celsius are the planet's slow rotation and... A its close proximity to the sun B its dense atmosphere C its heavy, rocky, waterless terrain D ...
Chapter 8 Concept Review - Cambridge University Press
... » Asteroids are minor planets (Sec. 8.5). Most asteroids are in the asteroid belt between the orbits of Mars and Jupiter. They were prevented from forming a planet by Jupiter’s gravitational tugs. Asteroids range up to about 1,000 km across (Sec. 8.5a), but the vast majo ...
... » Asteroids are minor planets (Sec. 8.5). Most asteroids are in the asteroid belt between the orbits of Mars and Jupiter. They were prevented from forming a planet by Jupiter’s gravitational tugs. Asteroids range up to about 1,000 km across (Sec. 8.5a), but the vast majo ...
File
... The first group consists of the four ones that are closest to the Sun: Mercury, Venus, Earth, and Mars. They are also called terrestrial or rocky planets and are separated from the second group by the asteroid belt, a region occupied by numerous asteroids. Further from this area and the Sun, lie the ...
... The first group consists of the four ones that are closest to the Sun: Mercury, Venus, Earth, and Mars. They are also called terrestrial or rocky planets and are separated from the second group by the asteroid belt, a region occupied by numerous asteroids. Further from this area and the Sun, lie the ...
Dwarf planet
A dwarf planet is a planetary-mass object that is neither a planet nor a natural satellite. That is, it is in direct orbit of the Sun, and is massive enough for its shape to be in hydrostatic equilibrium under its own gravity, but has not cleared the neighborhood around its orbit.The term dwarf planet was adopted in 2006 as part of a three-way categorization of bodies orbiting the Sun, brought about by an increase in discoveries of objects farther away from the Sun than Neptune that rivaled Pluto in size, and finally precipitated by the discovery of an even more massive object, Eris. The exclusion of dwarf planets from the roster of planets by the IAU has been both praised and criticized; it was said to be the ""right decision"" by astronomer Mike Brown, who discovered Eris and other new dwarf planets, but has been rejected by Alan Stern, who had coined the term dwarf planet in 1990.The International Astronomical Union (IAU) currently recognizes five dwarf planets: Ceres, Pluto, Haumea, Makemake, and Eris. Brown criticizes this official recognition: ""A reasonable person might think that this means that there are five known objects in the solar system which fit the IAU definition of dwarf planet, but this reasonable person would be nowhere close to correct.""It is suspected that another hundred or so known objects in the Solar System are dwarf planets. Estimates are that up to 200 dwarf planets may be found when the entire region known as the Kuiper belt is explored, and that the number may exceed 10,000 when objects scattered outside the Kuiper belt are considered. Individual astronomers recognize several of these, and in August 2011 Mike Brown published a list of 390 candidate objects, ranging from ""nearly certain"" to ""possible"" dwarf planets. Brown currently identifies eleven known objects – the five accepted by the IAU plus 2007 OR10, Quaoar, Sedna, Orcus, 2002 MS4 and Salacia – as ""virtually certain"", with another dozen highly likely. Stern states that there are more than a dozen known dwarf planets.However, only two of these bodies, Ceres and Pluto, have been observed in enough detail to demonstrate that they actually fit the IAU's definition. The IAU accepted Eris as a dwarf planet because it is more massive than Pluto. They subsequently decided that unnamed trans-Neptunian objects with an absolute magnitude brighter than +1 (and hence a diameter of ≥838 km assuming a geometric albedo of ≤1) are to be named under the assumption that they are dwarf planets. The only two such objects known at the time, Makemake and Haumea, went through this naming procedure and were declared to be dwarf planets. The question of whether other likely objects are dwarf planets has never been addressed by the IAU. The classification of bodies in other planetary systems with the characteristics of dwarf planets has not been addressed.